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Super Precision Angular Contact Ball Bearings S7005 ACD/P4AQBCA
Super Precision Angular Contact Ball Bearings S7005 ACD/P4AQBCA

Super Precision Angular Contact Ball Bearings S7005 ACD/P4AQBCA

The S7005 ACD/P4AQBCA is a super precision angular contact ball bearing, measuring 25mm by 47mm by 48mm, crafted from high-quality chrome steel. It features a 25° contact angle and comes sealed for protection, with a phenolic cage for durability.

This bearing handles radial loads up to 5445 lbf and operates smoothly at speeds up to 100,500 RPM, thanks to its grease lubrication. Its extra-light preload (Class A) ensures minimal friction and precise performance.

Designed as a matched set of four bearings (QBC arrangement), it offers excellent stability for high-precision applications. Ideal for machine tools or spindle systems where accuracy and speed are crucial.

With a temperature range of -30°C to 110°C and P4A tolerance class, it’s reliable in demanding conditions. Weighing just 0.32kg, it’s lightweight yet robust for its size. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S7005 ACD/P4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 14
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5445 lbf
  • Static Radial Load 4500 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.32 kg

Features

Performance Features of S7005 ACD/P4AQBCA Bearing

S7005 ACD/P4AQBCA Bearing features a 25° contact angle, optimised for handling combined radial and axial loads efficiently.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise during operation.

With a dynamic radial load capacity of 5445 lbf, it delivers reliable performance in high-speed applications.

The sealed design and grease lubrication minimise maintenance, making it suitable for long-term use.

How Does S7005 ACD/P4AQBCA Bearing Achieve High-Speed Performance?

S7005 ACD/P4AQBCA Bearing is designed for speeds up to 100,500 rpm, thanks to its precision P4A tolerance class.

The extra light preload (Class A) ensures smooth operation, reducing vibration and heat generation.

Its matched arrangement of four bearings (QBC) enhances stability and load distribution.

The phenolic cage and chrome steel components contribute to its high-speed capabilities.

Engineered for Precision: S7005 ACD/P4AQBCA Bearing

S7005 ACD/P4AQBCA Bearing offers exceptional accuracy with bore and outer diameter tolerances as tight as -0.004mm.

The 14 high-quality chrome steel balls, each 6.35 mm in diameter, ensure consistent performance.

Its sealed design protects against contaminants, maintaining precision even in challenging environments.

The bearing’s temperature range of -30°C to 110°C allows for versatile application use.

Application

Industrial Uses of S7005 ACD/P4AQBCA Bearing
S7005 ACD/P4AQBCA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In automotive applications, S7005 ACD/P4AQBCA Bearing supports components like electric power steering systems, thanks to its extra light preload and smooth operation. The matched set of four bearings provides balanced load distribution for consistent performance.

For medical imaging devices, S7005 ACD/P4AQBCA Bearing’s phenolic cage and chrome steel construction offer reliable, low-friction movement. Its P4A tolerance class makes it suitable for applications demanding tight precision and minimal vibration.

Automation systems benefit from S7005 ACD/P4AQBCA Bearing’s ability to handle high speeds, making it ideal for robotic arms and CNC machinery. The grease lubrication ensures long service life with minimal maintenance.

In consumer electronics, S7005 ACD/P4AQBCA Bearing can be found in high-end printers and scanners, where its quiet operation and durability are valued. The compact size fits well in space-constrained designs.

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